[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - DrugsIntervention group: In this group, mesenchymal stem cells will be injected at an initial dose of 0.5-1 milion/ kg. This process will be performed on the first, third and sixth days. This intervention will be done along with other treatments for this type of patients, varying in severity of COVID Infectious, and in accordance with national and international guidelines. Mesenchymal Stem Cell is GMP-approved by SinaCell", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group:This group, like the intervention group, will receive all routine medication according to national and international guidelines, depending on the severity of COVID-19. But on the first, third and sixth day, placebo (normal saline) will be injected", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": 787, "treatment_name": "Mesenchymal stem cells", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]